18153560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8563}}^1$

素因数の和:8627

約数の個数: 32

約数和(自身を含む): 41621040

約数和(自身を除く): 23467480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 8563, 17126, 34252, 42815, 68504, 85630, 171260, 342520, 453839, 907678, 1815356, 2269195, 3630712, 4538390, 9076780, 18153560]

約数ペア:

[(1, 18153560), (2, 9076780), (4, 4538390), (5, 3630712), (8, 2269195), (10, 1815356), (20, 907678), (40, 453839), (53, 342520), (106, 171260), (212, 85630), (265, 68504), (424, 42815), (530, 34252), (1060, 17126), (2120, 8563)]